Producer Don Bellisario understood this formula and bet on it during the casting process, especially when choosing David McCallum for the role of Donald Mallard, also known to his colleagues as Dr.

David McCallum’s legendary work ethic on NCIS pushed his co-stars to step up, inspiring one actor to “do more” after ...

David McCallum almost didn’t get cast as Ducky on NCIS, but decades later, he became one of the show’s most beloved ...

There have been several deaths in NCIS. But some remain memorable, much like the death of Special Agent Caitlin Kate Todd.